Les

FM-1 firmware · v1.0.3

Modular-1

A Nord Modular-style patchable synth: build patches from modules in a web app, upload them, and play them with an arpeggiator.

Made by
WiggisModular
Released
October 14, 2026
Install
On GitHub
Scan
Scanned, nothing harmful found · Oct 31 What we checked
Last checked
October 31, 2026

What Modular-1 does

  • You build patches module by module in a web app and upload them to the FM-1.
  • A modular synth engine runs the patch you made, alongside a complex arpeggiator.
  • Every module has two parameter inputs, p1 and p2, each with an attenuverter.
  • A matrix maps p1 and p2 plus k1-4 onto module parameters, with p1 and p2 global and k1-4 active on the selected module.
  • PRESETS scrolls through the patches and SELECT scrolls through the modules in the current patch.
  • KNOB1 to KNOB4 control whatever the patch assigns to them.
  • ARP, SEQ and LFO open the arpeggiator's melody, rhythm and chaos pages, and HOME returns to the patch.

Its modes

melody page
Set the arpeggiator's mode, scale, root note and speed with ARP.
rhythm page
Set euclidean steps, pulses, rotation and rate with SEQ.
chaos page
Add randomness and choose how many octaves the arpeggio spans with LFO.
main page
Return to the patch's main page with HOME.

What Les checked

Modular-1 v1.0.3Scanned October 31, 2026

What we checked for

  • The file is exactly the one its author published
  • It's the same file we saw when this release first came out
  • It opens cleanly as an FM-1 firmware, nothing damaged
  • It doesn't show up on your computer as a keyboard, mouse or other input device
  • It doesn't show up as a USB drive or network adapter
  • Its text mentions no computer command tools, like PowerShell, Terminal or a download command

What we found

  • MIDI, as expected

StatusScanned, nothing harmful found

Les scans every firmware here whose file is public, and shows what it checked and what it found. A scan lowers the risk; it can't rule it out. This firmware is made by its author, not by Les or M-VAVE. Back up first, and install at your own risk. How Les scans firmware

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